Browsing UiS Brage by Author "Yu, Zhixin"
Now showing items 41-52 of 52
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Synthesis, characterization, and activity of bimetallic Ni-Fe hydrotalcite-derived catalysts in dry reforming of methane
Huynh, Huong Lan (Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06-15)The extensive amount of carbon dioxide (CO2) emitted into atmosphere is arguably considered to be the main reason for global climate change due to the greenhouse effect. For decades, considerable efforts have been devoted ... -
Synthesis, characterization, and activity of bimetallic Ni-Fe hydrotalcite-derived catalysts in dry reforming of methane
Huynh, Huong Lan (Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06-15)The extensive amount of carbon dioxide (CO2) emitted into atmosphere is arguably considered to be the main reason for global climate change due to the greenhouse effect. For decades, considerable efforts have been devoted ... -
Synthetic natural gas production from CO2 and renewable H2: Towards large-scale production of Ni–Fe alloy catalysts for commercialization
Huynh, Huong Lan; Tucho, Wakshum Mekonnen; Yu, Xinhai; Yu, Zhixin (Peer reviewed; Journal article, 2020-08)Synthetic natural gas (SNG) is one of the promising energy carriers for the excessive electricity generated from variable renewable energy sources. SNG production from renewable H2 and CO2 via catalytic CO2 methanation has ... -
The performance of a heat pump using nanofluid (R22+TiO2) as the working fluid – an experimental study
Li, Hailong; Yang, Wenyan; Yu, Zhixin; Zhao, Li (Journal article; Peer reviewed, 2015)It has been well known that the nano-particles, including metals, oxides, carbides, or carbon nanotubes, can increase the conduction and convection coefficients and consequently, enhance the heat transfer. Using nanofluids ... -
The promotional effect of Ca, Mg, and Rh on the activity of Ni-based catalysts from hydrotalcite precursor for dry reforming of methane
Berg, Henrik (Masteroppgave/UIS-TN-IEP/2018;, Master thesis, 2018-06-15)The world strives towards a way to decrease CH4 and CO2 emissions to the atmosphere. A way to do this is to utilize these gases in processes that can make useful products. One of these are dry reforming of methane (DRM), ... -
Theoretical study of single transition metal atom catalysts supported on two-dimensional Nb2NO2 for efficient electrochemical CO2 reduction to CH4
Lu, Song; Zhang, Yang; Lou, Feng liu; Yu, Zhixin (Peer reviewed; Journal article, 2022-05)The design of highly efficient catalysts for electrochemical reduction CO2 (ECR) to value-add chemicals and fuels is important for CO2 conversion technologies. In this work, earth abundant transition metal (TM = V, Cr, Mn, ... -
Transition metal single-atom supported on PC3 monolayer for highly efficient hydrogen evolution reaction by combined density functional theory and machine learning study
Lu, Song; Cao, Jie; Zhang, Yang; Lou, feng liu; Yu, Zhixin (Peer reviewed; Journal article, 2022)It is essential to develop non-precious metal-based alternatives used in hydrogen evolution reaction (HER) due to high cost and scarcity of Pt-based catalysts. Herein, through density functional theory (DFT) calculations, ... -
Transition Metal−N/Graphene for advanced Lithium–Sulfur Batteries: A first principles study
Zhang, Yang; Lu, Song; Ugochukwu, Kingsley; Lou, Fengliu; Yu, Zhixin (Peer reviewed; Journal article, 2022)Developing highly efficient anchoring materials with strong adsorption to lithium polysulfides to suppress ‘shuttling effect’ is crucial to address the short cycling life issue of lithium sulfur batteries. Herein, we ... -
Transition-metal-mediated electrocatalytic CO2 reduction: from nanoparticles to single-atom catalysts
Lu, Song (PhD Theses;709, Doctoral thesis, 2023)With the rapid development of the global economy, energy crisis and environment issues have become increasingly prominent. Carbon dioxide (CO2) is a primary greenhouse gas (CHG), while it could also be a valuable carbon ... -
Tuning the interfacial sites between copper and metal oxides (Zn, Zr, In) for CO2 hydrogenation to methanol
Stangeland, Kristian; Navarro, Hans Herrera; Huynh, Huong Lan; Tucho, Wakshum Mekonnen; Yu, Zhixin (Peer reviewed; Journal article, 2021)The influence of different metal oxides (ZnO, ZrO2, In2O3) in CO2 hydrogenation to methanol over Cu-based catalysts was studied. The catalysts were characterized using x-ray diffraction (XRD), thermal gravimetric analysis ... -
Two Birds with One Stone: Concurrent Ligand Removal and Carbon Encapsulation Decipher Thickness-Dependent Catalytic Activity
Guo, Kun; Chang, Litao; Li, Ning; Bao, Lipiao; Shubeita, Samir De Moraes; Baidak, Aliaksandr; Yu, Zhixin; Lu, Xing (Peer reviewed; Journal article, 2022)A carbon shell encapsulating a transition metal-based core has emerged as an intriguing type of catalyst structure, but the effect of the shell thickness on the catalytic properties of the buried components is not well ... -
Unravelling the electrochemical impedance spectroscopy of silicon half cells with commercial loading
Huld, Frederik Thorbjørn; Yu, Zhixin; Lou, Fengliu (Peer reviewed; Journal article, 2023)Silicon (Si) is an important anode material for lithium ion batteries (LIBs), and increasing the loading of Si electrodes is an important step towards commercialization. However, half cells commonly used for Si studies are ...